doc: start go 1.2 notes
doc: start go 1.2 notes

This is a file of hints, not a file of polished text.
Let's not try to do polished text until we start the
release process.

R=golang-dev, gri
CC=golang-dev
https://codereview.appspot.com/9750043

tv42/old-go,pombredanne/go-deleteme,gnanderson/go,gnanderson/go,pombredanne/go-deleteme,tv42/old-go,apparentlymart/golang,apparentlymart/golang,tv42/old-go,pombredanne/go-deleteme,gnanderson/go,gnanderson/go,tv42/old-go,gnanderson/go,tv42/old-go,tv42/old-go,apparentlymart/golang,gnanderson/go,tv42/old-go,pombredanne/go-deleteme,apparentlymart/golang,apparentlymart/golang,pombredanne/go-deleteme,apparentlymart/golang,pombredanne/go-deleteme,apparentlymart/golang,pombredanne/go-deleteme,gnanderson/go